The Garmin GPSMAP 7412xsv is the ultimate 12″multi touch chartplotter/sonar combo. The built in sounder includes dual 1kW chirp capability and chirp DownVu and chirp SideVu. Coupled with a 260kHz sidevu transducer it will provide outstanding display of the underwater structure of a swath up to 600M wide. With the low frequency 1kW Chirp transducer, it’s good for spotting fish sign in 500m on the drift. The GPSMAP 7410xsv also Includes high sensitivity internal 10 Hz gps antenna- heading and position refreshed 10 times per second.
Uses G2 vision charts for complete bathymetric or navigating chart displays. (extra )